import { isFreeProduct } from "@/internal/products/productUtils.js";
import {
  AttachBranch,
  AttachPreview,
  AttachScenario,
  FullProduct,
} from "@autumn/shared";

// New = "new", done
// Downgrade = "downgrade",
// Upgrade = "upgrade",
// Cancel = "cancel",
// Renew = "renew",

// Scheduled = "scheduled",
// Active = "active",
// Expired = "expired",

export const getAttachScenario = async ({
  preview,
  product,
}: {
  preview: AttachPreview;
  product: FullProduct;
}) => {
  let branch = preview.branch;

  if (
    branch == AttachBranch.New ||
    branch == AttachBranch.OneOff ||
    branch == AttachBranch.AddOn
  ) {
    return AttachScenario.New;
  }

  if (
    branch == AttachBranch.MainIsFree ||
    branch == AttachBranch.MainIsTrial ||
    branch == AttachBranch.Upgrade
  ) {
    return AttachScenario.Upgrade;
  }

  if (branch == AttachBranch.Downgrade) {
    // return AttachScenario.Downgrade;
    if (isFreeProduct(product.prices)) {
      return AttachScenario.Cancel;
    } else {
      return AttachScenario.Downgrade;
    }
  }

  if (branch == AttachBranch.Renew) {
    return AttachScenario.Renew;
  }

  return AttachScenario.New;
};
